K. P. Companje, R.H.M. Hendriks, K.F.E. Veraghtert en B.E.M. Widdershoven, Two Centuries of Solidarity. German, Belgian and Dutch Social Health Insurance 1770-2008. TSEG - The Low Countries Journal of Social and Economic History, [S. l.], v. 7, n. 4, p. 91–92, 2010. DOI: 10.18352/tseg.411. Disponível em: https://testplatform.openjournals.nl/tseg/article/view/7681.. Acesso em: 23 nov. 2024.